Filter by
System of Measurement
Thread Size
Fastener Head Type
Neck Type
Threading
Thread Spacing
Fastener Strength Grade/Class
Neck Width
Thread Type
Tensile Strength
Material
Thread Fit
Neck Length
DFARS Specialty Metals
Export Control Classification Number (ECCN)
REACH
RoHS
Specifications Met
Hardness
About Hex Head Screws and Bolts
More
Medium-Strength Metric Class 8.8 Steel Square-Neck Carriage Bolts

Fully Threaded
These Class 8.8 steel bolts are suitable for fastening most machinery and equipment. A square neck keeps them from turning when tightening a nut. A smooth, rounded head provides a finished look. Length is measured from under the head.
For technical drawings and 3-D models, click on a part number.
Head | Neck | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|
Lg., mm | Threading | Thread Spacing | Dia., mm | Ht., mm | Wd., mm | Lg., mm | Tensile Strength, psi | Specifications Met | Pkg. Qty. | Pkg. | |
Class 8.8 Steel | |||||||||||
M20 × 2.5 mm | |||||||||||
60 | Fully Threaded | Coarse | 43 | 10.9 | 20.84 | 5 | 120,000 | ASME B18.5, ISO 8678 | 1 | 000000000 | 00000 |